Base | Representation |
---|---|
bin | 1001001011111001110110… |
… | …00011101000101101100101 |
3 | 2122112010022012111001200020 |
4 | 10211330323003220231211 |
5 | 10121430023313031041 |
6 | 110543504234305353 |
7 | 4153263221661045 |
oct | 445747303505545 |
9 | 78463265431606 |
10 | 20200222002021 |
11 | 6488958779686 |
12 | 2322b31588259 |
13 | b36b465c1949 |
14 | 4db9a5a0b725 |
15 | 2506c2a5d866 |
hex | 125f3b0e8b65 |
20200222002021 has 32 divisors (see below), whose sum is σ = 28567900108800. Its totient is φ = 12669018225600.
The previous prime is 20200222001879. The next prime is 20200222002031. The reversal of 20200222002021 is 12020022200202.
It is not a de Polignac number, because 20200222002021 - 230 = 20199148260197 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200222002031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49035976 + ... + 49446206.
It is an arithmetic number, because the mean of its divisors is an integer number (892746878400).
Almost surely, 220200222002021 is an apocalyptic number.
It is an amenable number.
20200222002021 is a deficient number, since it is larger than the sum of its proper divisors (8367678106779).
20200222002021 is a wasteful number, since it uses less digits than its factorization.
20200222002021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 422017.
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 20200222002021 its reverse (12020022200202), we get a palindrome (32220244202223).
The spelling of 20200222002021 in words is "twenty trillion, two hundred billion, two hundred twenty-two million, two thousand, twenty-one".
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